/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.economy.web.action.collect;

import java.io.PrintWriter;
import java.security.Principal;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.ajaxtags.xml.AjaxXmlBuilder;
import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.economy.service.CustomerService;
import ar.uba.fi.posgrado.common.service.UserService;
import ar.uba.fi.posgrado.economy.model.Customer;
import ar.uba.fi.posgrado.economy.web.form.collect.CollectForm;

/**
 * Action de AutoComplete para clientes usado para Cobros.<br>
 * Se procesa via Ajax usando AjaxTags
 * 
 * @author nicolas.gonzalez
 * @see Action
 */
public class AutocompleteCustomersAction extends Action {

    /** Logger */
    private static Logger logger = Logger.getLogger(AutocompleteCustomersAction.class);
    
    private CustomerService customerService;
    private UserService userService;


    /**
     * @param customerService the customerService to set
     */
    public void setCustomerService(CustomerService customerService) {
        this.customerService = customerService;
    }
	/** IoC */
	public void setUserService(UserService userService) {
		this.userService = userService;
	}
    
 
    /**
     * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        if (logger.isDebugEnabled()) {
            logger.debug("Por buscar clientes por razon social ...");
        }
        Principal ppal =  request.getUserPrincipal();
        String userName = ppal.getName();
        User user = this.userService.getUserByName(userName);

        CollectForm form = (CollectForm)actionForm;
        String corporateName = form.getCorporateName();

        List<Customer> foundCustomers = this.customerService.getByMatchingCorporateName(corporateName);
        foundCustomers = this.customerService.filter(foundCustomers, user);
        
        AjaxXmlBuilder builder = new AjaxXmlBuilder();
        /* Se manda:
         * Como Value q ve la razon social
         * Como oculto: Id;razon social
         */
        for (Customer customer: foundCustomers) {
            builder.addItem(customer.getCorporateName(), customer.getId() + ";" + customer.getCorporateName());
        }
        String xml =  builder.toString();

        // Set content to xml
        response.setContentType("text/xml");
        response.setHeader("Cache-Control", "no-cache");
        PrintWriter pw = response.getWriter();
        pw.write(xml);
        pw.close();

        logger.info("Clientes por razon social  finalizado");
        return null;        
    }
    
}
